#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
//void Print()
//{
//
//}
//#define PRINT(n) printf("the value of "#n" is %d\n",n);
//#define PRINT(n,format) printf("the value of "#n" is "format"\n",n);
//int main()
//{
//	int a = 20;
//	//printf("the value of a is %d", a);
//	int b = 10;
//	float c = 4.5f;
//	//printf("the value of b is %d", b);
//	PRINT(a,"%d");
//	PRINT(b,"%d");
//	PRINT(c, "%f");
//	return 0;
//}


#define CAT(x,y) x##y
int main()
{
	int yangkang = 1028;
	printf("%d", CAT(yang, kang));
	return 0;
}